Challenge
Silent branch
…returns None for Scrub because that branch sets a variable but never returns it. Predict the last line, find which statuses give None, make every path return, then write a function where every path…
Results for “variable”
Showing 21–30 of 53
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Example
The global Keyword
The global keyword allows modifying a global variable inside a function.
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Challenge
Landing site
…landing site as a (lat, lon) tuple, unpack it into two variables in one line and print both to four decimals, then show it the way maps do, with N, S, E and W.
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Challenge
Unit mix-up
…thousands. Investigate and modify Investigate. Find the variable that holds a distance in a different unit and store its name, as text, in odd_one_out . Then convert it: one mile is 1.609344 km. Store…
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Example
Separating Namespaces
Namespaces isolate variables. Modules and functions create their own namespaces.
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Example
Scope in Nested Functions
The nonlocal keyword gives access to variables in the enclosing function.
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Example
Text Formatting with f-strings
F-strings are a modern way to format text in Python. Insert variables directly into text.
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Challenge
What arrived?
…each value to the type it should have, into the new variables named in the comments, then print each new value and its type: altitude_km: 408 <class 'int'> speed_kms: 7.66 <class 'float'> crew: 3…
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Example
Return Statement Basics
Return statement returns a value from function. Function can perform calculations and give result.
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Article Python Fundamentals
Python Functions for Beginners
…greet_crew is the name. The rules are the same as for variable names: lowercase letters, words joined with underscores, no spaces, and it can't start with a number. The parentheses () are where inputs…
